Efficient anaerobic box type water distributor for sewage treatment

The utility model provides a high-efficiency anaerobic box-type water distributor for sewage treatment, which is arranged at the central position of the bottom of an anaerobic tank and is characterized by comprising a box body, a water inlet pipe for feeding sewage, a mixed liquid backflow water inlet pipe, a water distribution pipe, a water distribution pipe discharge pipe and a mixed liquid discharge pipe, the water inlet pipe extends from the top of the box body to the bottom of the box body and is communicated with the water distribution pipe, the water distribution pipe is communicated with the water distribution pipe discharge pipe, the mixed liquid backflow water inlet pipe is connected to the top of the box body and extends into the box body, and the mixed liquid discharge pipe is arranged at the bottom of the box body, penetrates through the box body and extends to the anaerobic tank; sewage enters a water distribution pipe at the bottom of the water distributor through a water inlet pipe and is disc